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Finding the Fourth Proportional to 162,513.65, 224,267.54 and 90,893.61

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Solution

The fourth proportional to 162,513.65, 224,267.54 and 90,893.61 is: 125,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,513.65 : 224,267.54 = 90,893.61 : x
  2. Step 2: Convert to fraction form
    162,513.65/224,267.54 = 90,893.61/x
  3. Step 3: Cross multiply
    162,513.65x = 224,267.54 × 90,893.61
  4. Step 4: Simplify right side
    162,513.65x = 20,384,486,316.42
  5. Step 5: Solve for x
    x = 20,384,486,316.42/162,513.65
  6. Step 6: Final answer
    x = 125,432.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.